CLI for bare-metal database sync.
Part 3 of 6: blueprint general-bare-metal-provisioning-framework. Change-Id: Ia19ce00edb84aa924c2ab2c9c2217f6b49073d69 Co-authored-by: Mikyung Kang <mkkang@isi.edu> Co-authored-by: David Kang <dkang@isi.edu> Co-authored-by: Ken Igarashi <igarashik@nttdocomo.co.jp> Co-authored-by: Arata Notsu <notsu@virtualtech.jp>
This commit is contained in:
Mikyung Kang
Arata Notsu
parent
7cd22aaca7
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#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Interactive shell based on Django:
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#
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# Copyright (c) 2005, the Lawrence Journal-World
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of Django nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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CLI interface for nova bare-metal management.
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"""
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import ast
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import errno
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import gettext
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import math
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import netaddr
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import optparse
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import os
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import sys
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# If ../nova/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')):
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sys.path.insert(0, POSSIBLE_TOPDIR)
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gettext.install('nova', unicode=1)
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from nova import config
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from nova import context
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from nova import exception
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from nova.openstack.common import cfg
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from nova.openstack.common import cliutils
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from nova.openstack.common import importutils
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from nova.openstack.common import log as logging
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from nova.openstack.common import rpc
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from nova.openstack.common import timeutils
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from nova import utils
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from nova import version
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from nova.virt.baremetal import db as bmdb
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from nova.virt.baremetal.db import migration as bmdb_migration
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CONF = cfg.CONF
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# Decorators for actions
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def args(*args, **kwargs):
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def _decorator(func):
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func.__dict__.setdefault('args', []).insert(0, (args, kwargs))
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return func
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return _decorator
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class BareMetalDbCommands(object):
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"""Class for managing the bare-metal database."""
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def __init__(self):
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pass
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@args('--version', dest='version', metavar='<version>',
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help='Bare-metal Database version')
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def sync(self, version=None):
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"""Sync the database up to the most recent version."""
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bmdb_migration.db_sync(version)
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def version(self):
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"""Print the current database version."""
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v = bmdb_migration.db_version()
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print(v)
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# return for unittest
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return v
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CATEGORIES = {
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'db': BareMetalDbCommands,
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}
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def methods_of(obj):
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"""Get all callable methods of an object that don't start with underscore
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returns a list of tuples of the form (method_name, method)"""
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result = []
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for i in dir(obj):
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if callable(getattr(obj, i)) and not i.startswith('_'):
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result.append((i, getattr(obj, i)))
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return result
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def add_command_parsers(subparsers):
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parser = subparsers.add_parser('bash-completion')
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parser.add_argument('query_category', nargs='?')
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for category in CATEGORIES:
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command_object = CATEGORIES[category]()
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parser = subparsers.add_parser(category)
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parser.set_defaults(command_object=command_object)
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category_subparsers = parser.add_subparsers(dest='action')
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for (action, action_fn) in methods_of(command_object):
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parser = category_subparsers.add_parser(action)
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action_kwargs = []
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for args, kwargs in getattr(action_fn, 'args', []):
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action_kwargs.append(kwargs['dest'])
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kwargs['dest'] = 'action_kwarg_' + kwargs['dest']
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parser.add_argument(*args, **kwargs)
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parser.set_defaults(action_fn=action_fn)
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parser.set_defaults(action_kwargs=action_kwargs)
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parser.add_argument('action_args', nargs='*')
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category_opt = cfg.SubCommandOpt('category',
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title='Command categories',
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help='Available categories',
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handler=add_command_parsers)
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def main():
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"""Parse options and call the appropriate class/method."""
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CONF.register_cli_opt(category_opt)
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try:
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config.parse_args(sys.argv)
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logging.setup("nova")
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except cfg.ConfigFilesNotFoundError:
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cfgfile = CONF.config_file[-1] if CONF.config_file else None
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if cfgfile and not os.access(cfgfile, os.R_OK):
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st = os.stat(cfgfile)
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print(_("Could not read %s. Re-running with sudo") % cfgfile)
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try:
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os.execvp('sudo', ['sudo', '-u', '#%s' % st.st_uid] + sys.argv)
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except Exception:
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print(_('sudo failed, continuing as if nothing happened'))
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print(_('Please re-run nova-manage as root.'))
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sys.exit(2)
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if CONF.category.name == "version":
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print(_("%(version)s (%(vcs)s)") %
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{'version': version.version_string(),
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'vcs': version.version_string_with_vcs()})
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sys.exit(0)
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if CONF.category.name == "bash-completion":
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if not CONF.category.query_category:
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print(" ".join(CATEGORIES.keys()))
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elif CONF.category.query_category in CATEGORIES:
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fn = CATEGORIES[CONF.category.query_category]
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command_object = fn()
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actions = methods_of(command_object)
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print(" ".join([k for (k, v) in actions]))
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sys.exit(0)
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fn = CONF.category.action_fn
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fn_args = [arg.decode('utf-8') for arg in CONF.category.action_args]
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fn_kwargs = {}
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for k in CONF.category.action_kwargs:
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v = getattr(CONF.category, 'action_kwarg_' + k)
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if v is None:
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continue
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if isinstance(v, basestring):
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v = v.decode('utf-8')
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fn_kwargs[k] = v
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# call the action with the remaining arguments
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# check arguments
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try:
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cliutils.validate_args(fn, *fn_args, **fn_kwargs)
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except cliutils.MissingArgs as e:
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print(fn.__doc__)
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parser.print_help()
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print(e)
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sys.exit(1)
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try:
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fn(*fn_args, **fn_kwargs)
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sys.exit(0)
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except Exception:
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print(_("Command failed, please check log for more info"))
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raise
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if __name__ == '__main__':
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main()
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@ -0,0 +1,67 @@
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=====================
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nova-baremetal-manage
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=====================
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------------------------------------------------------
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Manage bare-metal DB in OpenStack Nova
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------------------------------------------------------
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:Author: openstack@lists.launchpad.net
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:Date: 2012-10-17
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:Copyright: OpenStack LLC
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:Version: 2013.1
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:Manual section: 1
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:Manual group: cloud computing
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SYNOPSIS
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========
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nova-baremetal-manage <category> <action> [<args>]
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DESCRIPTION
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===========
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nova-baremetal-manage manages bare-metal DB schema.
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OPTIONS
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=======
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The standard pattern for executing a nova-baremetal-manage command is:
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``nova-baremetal-manage <category> <command> [<args>]``
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Run without arguments to see a list of available command categories:
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``nova-baremetal-manage``
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Categories are db. Detailed descriptions are below.
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You can also run with a category argument such as "db" to see a list of all commands in that category:
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``nova-baremetal-manage db``
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These sections describe the available categories and arguments for nova-baremetal-manage.
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Bare-Metal DB
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~~~~~~~~~~~~~
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``nova-baremetal-manage db version``
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Print the current database version.
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``nova-baremetal-manage db sync``
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Sync the database up to the most recent version. This is the standard way to create the db as well.
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FILES
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========
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/etc/nova/nova.conf: get location of bare-metal DB
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SEE ALSO
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========
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* `OpenStack Nova <http://nova.openstack.org>`__
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BUGS
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====
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* Nova is maintained in Launchpad so you can view current bugs at `OpenStack Nova <https://bugs.launchpad.net/nova>`__
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 NTT DOCOMO, INC.
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# Copyright 2011 OpenStack LLC
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# Copyright 2011 Ilya Alekseyev
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import imp
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import os
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import sys
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from nova import context
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from nova import test
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from nova.virt.baremetal import db as bmdb
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from nova.tests.baremetal.db import base as bm_db_base
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TOPDIR = os.path.normpath(os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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os.pardir,
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os.pardir,
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os.pardir))
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BM_MAN_PATH = os.path.join(TOPDIR, 'bin', 'nova-baremetal-manage')
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sys.dont_write_bytecode = True
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bm_man = imp.load_source('bm_man', BM_MAN_PATH)
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sys.dont_write_bytecode = False
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class BareMetalDbCommandsTestCase(bm_db_base.BMDBTestCase):
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def setUp(self):
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super(BareMetalDbCommandsTestCase, self).setUp()
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self.commands = bm_man.BareMetalDbCommands()
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def test_sync_and_version(self):
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self.commands.sync()
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v = self.commands.version()
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self.assertTrue(v > 0)
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